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Advisories

gitoxide before 0.33.0 Path Traversal via symlink following

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severity
medium
date
Affecting

  • gitoxide >= 0, < 0.33.0

  • gitoxide >= 0, < 0.55.0

  • gitoxide >= 0, < 0.49.0

  • gitoxide >= 0, < 0.86.0

CWE
  • CWE-59 Improper Link Resolution Before File Access ('Link Following')
CVSS
6.0
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
scadastrangelove
Description
gix-worktree-state before 0.33.0 (part of gitoxide) allows writing files outside the worktree on Windows. gix_worktree_state::checkout() follows an existing terminal symlink during non-exclusive (incremental) materialization (destination_is_initially_empty: false) when core.symlinks is true. If a symlink entry (mode 120000) is first checked out at a path P pointing outside the worktree, a subsequent incremental checkout of a regular-file entry (mode 100644) at the same path follows the existing reparse point and writes the blob content through the link, overwriting files outside the worktree.

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